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This means that if you can guarantee a particular import occurs first, you can omit the DLL elsewhere in your package. When multiple vcruntime#.dll files are available, the first one that is loaded wins.
I have tested with a numpy build from source (setup.py bdist_wheel) and it works correctly on a clean Win7 machine with only a Python 3.5.0rc3 install.
#Statsmodel python 3.5 download code
This is purely Python source code and only needs to be patched on the build machine. That is one of the reasons I was keen to move to this model (everyone seems to think that FILE* is the only problem with mixing CRT versions :) )Īttached a fix for distutils that will include the required vcruntime DLL with the extension. It shouldn't be - locale state is in the shared part of the CRT.
I don't know if this is still an issue with the new runtimes. Interpreter, i.e., changes made by the module would not be seen The reason I asked: We had issues where extension modules linkedĪgainst a different CRT had isolated locale settings from the Sorry for the noise (and yay! for horizontal scrolling :). That way, people who bdist_wheel will include all of their own dependencies and don't have to worry about whether users are on Python 3.5.0 or 3.9.9.
#Statsmodel python 3.5 download update
I'm going to try and update distutils to build with /MD again (sorry Christoph!) and include vcruntime#.dll in the output. The versioned parts (including the FlsAlloc call - module initialization is compiler version specific) are statically linked. You should (might) see /MT in the build logs, but then we replace most of the static CRT with the dynamic (but versionless) one. We use the same flags I described in my blog so that we don't have any version-specific dependencies. Is Python-core built with /MD? I cannot see the flags in the buildbot I suspect someone will need to ship vcruntime.dll, and I'd rather it was the extension. Let me experiment today with a few of the proposals I posted in the other thread and get back to you. If the scientific stack is unusable, I think this should be a release In addition to C extension modules, the 127 limit also applies to statically-linked CRT DLLs that are dynamically loaded via Ctypes or LoadLibrary. To put the 127 limit in perspective: the pywin32 package contains 51 C extension modules, pygame 36, scipy 65, and scikit-image 41. A process can not load more than 127 statically-linked CRT DLLs using LoadLibrary due to a limit of fiber-local storage (FLS) as mentioned in the following links: The cause of this issue is that as of Python 3.5.0rc1 C extension modules are linked statically to the multi-threaded runtime library (/MT) instead of the multi-threaded DLL runtime library (/MD). X:\Python35\lib\site-packages\scipy\signal\_init_.py in ()Ģ76 # The spline module (a C extension) provides:Ģ77 # cspline2d, qspline2d, sepfir2d, symiirord1, symiirord2 ImportError Traceback (most recent call last) In a Jupyter notebook, the following simple imports fail (using current builds from ): For example, Pandas unit tests error or abort.
#Statsmodel python 3.5 download windows 7
Tested on Windows 7 and 10, 64 bit, with Python 3.5.0rc3, 32 and 64 bit.ĭue to this issue the "scientific stack" is practically unusable. ImportError: DLL load failed: A dynamic link library (DLL) initialization routine failed. Return _bootstrap._gcd_import(name, package, level)įile "", line 958, in _find_and_load_unlockedįile "", line 222, in _call_with_frames_removed On Python 3.4.3 the script passes while on Python 3.5.0rc3 the script fails with:įile "test_dll_load_failed.py", line 42, in įile "X:\Python35\lib\ importlib\_init_.py", line 126, in import_module The attached script (test_dll_load_failed.py) builds up to 256 C extension modules and imports them. Python 3.5.0rc3 on Windows can not load more than 127 C extension modulesĬgohlke, eryksun, larry, paul.moore, python-dev, skrah, steve.dower, tim.golden, zach.wareĬreated on 08:05 by cgohlke, last changed 15:31 by larry.
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